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Finding the Third Proportional to 3,345 and 4,557

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Solution

The third proportional to 3,345 and 4,557 is: 6,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345 : 4,557 = 4,557 : x
  2. Step 2: Convert to fraction form
    3,345/4,557 = 4,557/x
  3. Step 3: Cross multiply
    3,345x = 4,557 × 4,557
  4. Step 4: Simplify right side
    3,345x = 20,766,249
  5. Step 5: Solve for x
    x = 20,766,249/3,345
  6. Step 6: Final answer
    x = 6,208.15

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.